Denis Korolev

Denis Korolev Email and Phone Number

Старший разработчик @ Tinkoff
Saint Petersburg, RU
Denis Korolev's Location
St Petersburg, St Petersburg City, Russia, Russian Federation
About Denis Korolev

I am an experienced developer with deep knowledge of Go and significant Python development experience, specialising in web application design and development.# Achievements:* Framework Development: Developed a framework in Go for my team to improve the efficiency of the solutions developed and reduce development time.* Style-guide development: Developed a style-guide and architecture that achieved simplified support and ease of extending functional requirements of services.# Skills:* Fast learner: Quick to learn and get on board. For example, I immersed myself in a new language in a week and over several months developed a number of tools that optimised the processes of writing and analysing services.* Process Optimisation: Involved in optimising development processes by adopting best practices and tools such as linters and automated tests.# Leadership and Optimisation:* Leadership: Demonstrated strong leadership skills by optimising cross-service interactions.* Architecture Improvement: Improved application architecture and implemented thorough refactoring strategies to improve fault tolerance and scalability of systems.# Development tools:* Version control: Git* Containerisation: Docker, Docker Compose# Databases:* PostgreSQL.* MySQL* MongoDB# Message queues:* RabbitMQ* Kafka# Monitoring and Analysis:* Monitoring: Used Prometheus to monitor service metrics.* Analysis: Used Grafana to analyse and identify service bottlenecks.# Professional Goals:I am constantly striving for professional growth and development. I am ready to work in a team where I can apply and expand my skills, making a meaningful contribution to improving development processes and creating innovative tools.

Denis Korolev's Current Company Details
Tinkoff

Tinkoff

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Старший разработчик
Saint Petersburg, RU
Denis Korolev Work Experience Details
  • Tinkoff
    Старший Разработчик
    Tinkoff
    Saint Petersburg, Ru
  • Tinkoff
    Software Developer
    Tinkoff Dec 2024 - Present
    St Petersburg City, Russia
  • Yandex Go
    Software Engineer
    Yandex Go Sep 2024 - Dec 2024
    St Petersburg City, Russia
    Led the redesign and optimization of a service architecture to improve load simulation and resource utilization.- Architected a scalable solution that leveraged multiple pods to optimize resource distribution and enhance overall service performance.- Rewrote the service from Python to Go, resulting in a more efficient and maintainable codebase. This migration improved system performance and scalability, significantly increasing the service's capacity to simulate higher loads.-… Show more Led the redesign and optimization of a service architecture to improve load simulation and resource utilization.- Architected a scalable solution that leveraged multiple pods to optimize resource distribution and enhance overall service performance.- Rewrote the service from Python to Go, resulting in a more efficient and maintainable codebase. This migration improved system performance and scalability, significantly increasing the service's capacity to simulate higher loads.- Enhanced code architecture to support future growth and improve long-term maintainability, while also reducing technical debt. Show less
  • Nexign
    Senior Software Engineer
    Nexign Jul 2023 - Aug 2024
    I have extensively contributed to the creation and maintenance of microservices in a Python ecosystem, while mastering Go development. I have played a key role in developing customized internal tools using Python and Go. Additionally, I have designed a proprietary Go framework that is optimized for internal microservice deployment. I have demonstrated leadership skills by optimizing inter-service communication, improving application architectures, and executing meticulous refactoring strategies… Show more I have extensively contributed to the creation and maintenance of microservices in a Python ecosystem, while mastering Go development. I have played a key role in developing customized internal tools using Python and Go. Additionally, I have designed a proprietary Go framework that is optimized for internal microservice deployment. I have demonstrated leadership skills by optimizing inter-service communication, improving application architectures, and executing meticulous refactoring strategies to enhance system robustness and scalability. Show less
  • Webim.Ru
    Full-Stack Developer
    Webim.Ru Aug 2020 - Jul 2023
    St Petersburg City, Russia
    I have gained extensive expertise as a full-stack developer for an omni-channel chat platform, working with a diverse range of technologies, frameworks and various programming languages.Commencing my journey as a junior developer, I steadily progressed to a middle developer role.Here are a few instances of the tasks I have undertaken:* Enhanced and refined chatbot cores across multiple variations.* Created and enhanced integrations with diverse chat applications… Show more I have gained extensive expertise as a full-stack developer for an omni-channel chat platform, working with a diverse range of technologies, frameworks and various programming languages.Commencing my journey as a junior developer, I steadily progressed to a middle developer role.Here are a few instances of the tasks I have undertaken:* Enhanced and refined chatbot cores across multiple variations.* Created and enhanced integrations with diverse chat applications, including Telegram, Instagram, Facebook, and others.* Implemented new technologies to optimize response times and enhance different aspects of the service.* Collaborated with various databases like ClickHouse, MySQL, PostgreSQL, and Elasticsearch.* Provided support for containerization of the organization's core product through Docker and docker-compose, streamlining the development process. Show less

Denis Korolev Education Details

Frequently Asked Questions about Denis Korolev

What company does Denis Korolev work for?

Denis Korolev works for Tinkoff

What is Denis Korolev's role at the current company?

Denis Korolev's current role is Старший разработчик.

What schools did Denis Korolev attend?

Denis Korolev attended Peter The Great St.petersburg Polytechnic University.

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